stick insect

noun

1.

any of various mostly tropical insects of the family Phasmidae that have an elongated cylindrical body and long legs and resemble twigs: order PhasmidaAlso called (US and Canadian) walking stick See also leaf insect

any of about 2,000 species of slow-moving insects that are green or brown in colour and bear a resemblance to twigs as a protective device. Some species also have sharp spines, an offensive odour, or the ability to force their blood, which contains toxic, distasteful chemicals, through special joints in the exoskeleton. In many species the eggs closely resemble seeds